.checkbox{box-sizing:border-box;width:var(--ctrl-h-2xs);height:var(--ctrl-h-2xs);background:var(--surface-card);border:var(--bw-1) solid var(--surface-divider-strong);border-radius:var(--r-sm);color:var(--surface-on-primary-fg);cursor:pointer;transition:background-color var(--du-fast) var(--ease-out), border-color var(--du-fast) var(--ease-out);flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.checkbox[aria-checked=true],.checkbox[aria-checked=mixed]{background:var(--surface-primary);border-color:var(--surface-primary)}.checkbox:focus-visible{box-shadow:0 0 0 var(--focus-ring-w) var(--surface-primary-ring);outline:none}.checkbox:disabled{opacity:.5;cursor:not-allowed}.checkbox-row{align-items:center;gap:var(--sp-sm);display:inline-flex}.checkbox-label{cursor:pointer}.checkbox:disabled~.checkbox-label{cursor:not-allowed;opacity:.5}